function checkPromotionCode(){
	var code=document.mainform.promotioncode.value;
	var promotioncode=code.toLowerCase(); 

	if (promotioncode.value!=''){
		switch(promotioncode){

			// 99 EUR
			case 'tradefair2011':
				alert('You are redirected to the Trade Fair 2011 promotional page !'); 
				document.mainform.hosted_button_id.value='8UWMWCXFJFVYG';
        break;      			
			case 'irish times':
			case 'irishtimes':
				alert('You are redirected to the Irish Times promotional page !'); 
				document.mainform.hosted_button_id.value='8UWMWCXFJFVYG';
				break;
			// 199 EUR
			case 'dublinchamber':
				alert('You are redirected to the Dublin Chamber promotional page !'); 
				document.mainform.hosted_button_id.value='5A5EM4EAVE2P2';
				break;
			case 'facebookfan':
				alert('You are redirected to the Facebook Fan promotional page !');
				document.mainform.hosted_button_id.value='5A5EM4EAVE2P2';
				break;
			// 215 EUR
			case 'weatlthbuilding':
				alert('You are redirected to the Wealthbuilding promotional page !'); 
				document.mainform.hosted_button_id.value='RMKQMY4DBPQ9U';
				break;	
			case 'horizon':
				alert('You are redirected to the Horizon promotional page !'); 
				document.mainform.hosted_button_id.value='RMKQMY4DBPQ9U';
				break;	
			case 'firstlaw':
				alert('You are redirected to the Horizon promotional page !'); 
				document.mainform.hosted_button_id.value='RMKQMY4DBPQ9U';
				break;	
			case 'digitalmedia':
				alert('You are redirected to the Digital Media promotional page !'); 
				document.mainform.hosted_button_id.value='RMKQMY4DBPQ9U';
				break;	
			case 'mii':
				alert('You are redirected to the MII promotional page !'); 
				document.mainform.hosted_button_id.value='RMKQMY4DBPQ9U';
				break;
			default:
				//alert('Incorrect promotional code!');
				//return false;
		}
	}
}